Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.389 5.246/6.166 5.483 ± 0.7667
ea02 1342 1342/1342 1342 ± 0.00004125 5.966 5.438/6.742 5.927 ± 0.9765
ea04 1342 1342/1342 1342 ± 0.000003382 5.436 5.081/6.107 5.397 ± 0.8612
ea05 1342 1342/1342 1342 ± 0.00001105 5.52 5.086/6.259 5.655 ± 0.7678
ea06 1342 1342/1342 1342 ± 0.00001475 4.922 4.747/5.295 4.8 ± 0.6765
ea07 1342 1342/1342 1342 ± 0.00004239 5.95 5.342/6.41 5.747 ± 0.8752
ea08 1342 1342/1342 1342 ± 0.00004142 6.138 5.649/6.86 6.102 ± 1.019
ea09 1342 1342/1342 1342 ± 0.00002639 5.576 5.183/6.615 5.737 ± 0.8243
ea10 1342 1342/1342 1342 ± 0.00004345 5.983 5.343/6.698 5.818 ± 0.9551
ea11 1342 1342/1342 1342 ± 0.00004358 5.902 5.279/6.58 5.704 ± 0.9725
ea12 1342 1342/1342 1342 ± 0.00002112 5.809 5.446/6.634 5.772 ± 1.093
ea13 1342 1342/1342 1342 ± 0.00002151 5.939 5.695/6.467 6.019 ± 0.7659
ea14 1342 1342/1342 1342 ± 0.00001736 5.656 5.056/6.408 5.65 ± 0.7983
ea15 1342 1342/1342 1342 ± 0.000001196 5.39 5.089/6.344 5.562 ± 0.9577
ea16 1342 1342/1342 1342 ± 0.00002113 5.97 5.473/6.887 5.985 ± 0.9464
ea17 1342 1342/1342 1342 ± 0.00004389 5.903 5.421/6.786 5.862 ± 0.985
ea18 1342 1342/1342 1342 ± 0.00004169 5.003 4.522/5.719 4.975 ± 0.7127
ea19 1342 1342/1342 1342 ± 0.000002929 5.788 5.552/6.794 6.006 ± 0.8063
ea20 1342 1342/1342 1342 ± 0.00003247 5.936 5.813/6.994 6.03 ± 1.099
ea21 1342 1342/1342 1342 ± 0.0000172 5.565 5.4/6.368 5.635 ± 0.7952
ea22 1342 1342/1342 1342 ± 0.00003892 5.369 5.113/6.428 5.614 ± 0.8396
ea23 1342 1342/1342 1342 ± 0.00003535 5.878 5.48/6.583 5.79 ± 0.8877
ea25 1342 1342/1342 1342 ± 0.00004272 5.491 5.248/6.346 5.536 ± 0.8589
ea26 1342 1342/1342 1342 ± 0.00003446 5.976 5.814/7.035 6.161 ± 0.9117
ea27 1342 1342/1342 1342 ± 0.00004265 5.607 5.186/6.492 5.608 ± 0.8802
ea28 1342 1342/1342 1342 ± 0.00004254 5.673 5.467/6.637 5.827 ± 0.9418
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.00002351 5.406 5.29/5.725 5.476 ± 0.2791
5 1342 1342/1342 1342 ± 0.00002351 5.46 5.176/5.598 5.403 ± 0.3522
6 1342 1342/1342 1342 ± 0.00002547 5.269 5.081/5.435 5.251 ± 0.2803
7 1342 1342/1342 1342 ± 0.00002351 5.429 5.282/5.588 5.42 ± 0.2737
8 1342 1342/1342 1342 ± 0.00002351 5.424 5.186/5.551 5.368 ± 0.2929
9 1342 1342/1342 1342 ± 0.00002351 5.664 5.453/5.945 5.655 ± 0.3354
10 1342 1342/1342 1342 ± 0.00002351 6.077 5.877/6.282 6.065 ± 0.3375
11 1342 1342/1342 1342 ± 0.00002351 6.409 6.254/6.536 6.345 ± 0.344
12 1342 1342/1342 1342 ± 0.00002351 6.598 6.396/6.78 6.54 ± 0.3812
13 1342 1342/1342 1342 ± 0.00002351 6.948 6.678/7.083 6.832 ± 0.4137
14 1342 1342/1342 1342 ± 0.00002422 6.68 6.433/7.173 6.713 ± 0.5394
15 1342 1342/1342 1342 ± 0.00002458 6.693 6.457/6.987 6.644 ± 0.4893
16 1342 1342/1342 1342 ± 0.00005965 3.919 3.746/4.203 3.986 ± 0.3478
17 1342 1342/1342 1342 ± 0.00006086 4.101 3.899/4.34 4.11 ± 0.3469
vis
VLASS2.1.sb38602933.eb38631109.59096.27884142361_split_split.ms
statwtmode
VLASS-SE
datacolumn
residual_data
overwrite_modelcol
False
output_dir
 
Start time
2024-11-01 23:00:37.625
End
2024-11-02 00:01:45.947
Duration
1:01:08.322
Note, WebLog generation is not included in the time.

CASA logs for stage 8